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<blocktwosectionthree>
  <!--A1 Oscillator Synthesizer-->
  <Question1>1. What is considered the output stage of the A1 module?</Question1>
  	<Choice1A>RF Generator</Choice1A>
  	<Choice1B>Phase Comparator</Choice1B>
  	<Choice1C>Reference Generator</Choice1C>
  	<Choice1D>Variable Counter/Prescaler</Choice1D>
  	<Correct1>None</Correct1>
  	<Reference1>Student Workbook Page 12, Section 3</Reference1>
  <Question2>2. Which stage of the synthesizer contains varactors?</Question2>
  	<Choice2A>RF Generator</Choice2A>
  	<Choice2B>Phase Comparator</Choice2B>
  	<Choice2C>Reference Generator</Choice2C>
  	<Choice2D>Variable Counter/Prescaler</Choice2D>
  	<Correct2>None</Correct2>
  	<Reference2>Student Workbook Page 12, Section 3</Reference2>
  <Question3>3. What voltages are required to operate the A1?</Question3>
  	<Answer3>None</Answer3>
  	<Reference3>Student Workbook Page 12, Section 3</Reference3>
  <Question4>4. (A1) What is a PHASE LOCK LOOP system?</Question4>
  	<Answer4>None</Answer4>
  	<Reference4>Student Workbook Page 12, Section 3</Reference4>
  <Question5>5. (A1) What will happen if the output of the RF Generator drifts upwards?</Question5>
  	<Answer5>None</Answer5>
  	<Reference5>Student Workbook Page 12, Section 3</Reference5>
  <Question6>6. (A1) When is the output of the variable counter 1562.5 Hz?</Question6>
  	<Answer6>None</Answer6>
  	<Reference6>Student Workbook Page 12, Section 3</Reference6>
  <Question7>7. What will be the setting of the tuning thumbwheels with an operating frequency of 300 MHz?</Question7>
  	<Answer7>None</Answer7>
  	<Reference7>Student Workbook Page 12, Section 3</Reference7>
  <Question8>8. (A1) What are the upper and lower limits the synthesizer can drift when the thumbwheels are set to 75 MHz?</Question8>
  	<Choice8A>74.999625 MHz to 75.000375 MHz</Choice8A>
  	<Choice8B>74.99625 MHz to 75.000375 MHz</Choice8B>
  	<Choice8C>74.9625 MHz to 75.0375 MHz</Choice8C>
  	<Choice8D>74.625 MHz to 75.375 MHz</Choice8D>
  	<Correct8>None</Correct8>
  	<Reference8>Student Workbook Page 12, Section 3</Reference8>
  <Question9>9. Why can the same A1 be used for both VHF and UHF?</Question9>
  	<Choice9A>For VHF operating, it’s always tuned to a lower frequency.</Choice9A>
  	<Choice9B>The A1 is modified to work in the VHF receiver.</Choice9B>
  	<Choice9C>The DC tuning voltages used in the VCO are adjusted for VHF frequencies.</Choice9C>
  	<Choice9D>The output of the A1 is multiplied by two for VHF operation.</Choice9D>
  	<Correct9>None</Correct9>
  	<Reference9>Student Workbook Page 12, Section 3</Reference9>
  <Question10>10. Which test point is used to check the output of the synthesizer?</Question10>
  	<Q10TableAnswer1>None</Q10TableAnswer1>
  	<Q10TableAnswer2>None</Q10TableAnswer2>
  	<Q10TableAnswer3>None</Q10TableAnswer3>
  	<Q10TableAnswer4>None</Q10TableAnswer4>
  	<Q10TableAnswer5>None</Q10TableAnswer5>
  	<Q10TableAnswer6>None</Q10TableAnswer6>
  	<Q10TableAnswer7>None</Q10TableAnswer7>
  	<Q10TableAnswer8>None</Q10TableAnswer8>
  	<Q10TableAnswer9>None</Q10TableAnswer9>
  	<Q10TableAnswer10>None</Q10TableAnswer10>
  	<Q10TableAnswer11>None</Q10TableAnswer11>
  	<Q10TableAnswer12>None</Q10TableAnswer12>
  	<Q10TableAnswer13>None</Q10TableAnswer13>
  	<Q10TableAnswer14>None</Q10TableAnswer14>
  	<Q10TableAnswer15>None</Q10TableAnswer15>
  	<Q10TableAnswer16>None</Q10TableAnswer16>
  	<Q10TableAnswer17>None</Q10TableAnswer17>
  	<Q10TableAnswer18>None</Q10TableAnswer18>
  	<Q10TableAnswer19>None</Q10TableAnswer19>
  	<Q10TableAnswer20>None</Q10TableAnswer20>
  	<Reference10>Student Workbook Page 12, Section 3</Reference10>
  <!--A2 Mixer Multiplier-->
  <Question11>1. List the controls (name and reference designator) that are used to tune the A2 module.</Question11>
  	<Answer11>None</Answer11>
  	<Reference11>Student Workbook Page 12, Section 3</Reference11>
  <Question12>2. (UHF, A2) When the receiver is tuned to 300 MHz, C12 is tuned to</Question12>
  	<Choice12A>75 MHz.</Choice12A>
  	<Choice12B>150 MHz.</Choice12B>
  	<Choice12C>300 MHz.</Choice12C>
  	<Choice12D>320.6 MHz.</Choice12D>
  	<Correct12>None</Correct12>
  	<Reference12>Student Workbook Page 12, Section 3</Reference12>
  <Question13>3. What test points would you use to measure the output from the A2 module?</Question13>
  	<Answer13>None</Answer13>
  	<Reference13>Student Workbook Page 12, Section 3</Reference13>
  <Question14>4. (UHF, A2) The Level ADJUST, R17 is used to</Question14>
   	<Choice14A>tune the multiplier to the 4th harmonic.</Choice14A>
  	<Choice14B>adjust the gain of the Multiplier Output Amplifier, Q3.</Choice14B>
  	<Choice14C>set the multiplier injection level into the mixer.</Choice14C>
  	<Choice14D>set the level of received RF.</Choice14D>
  	<Correct14>None</Correct14>
  	<Reference14>Student Workbook Page 12, Section 3</Reference14>
  <Question15>5. What is the purpose of the AGC voltage in the A2 module?</Question15>
  	<Answer15>None</Answer15>
  	<Reference15>Student Workbook Page 12, Section 3</Reference15>
  <Question16>6. What is the purpose of the PIN diodes?</Question16>
  	<Answer16>None</Answer16>
  	<Reference16>Student Workbook Page 12, Section 3</Reference16>
  <Question17>7. (UHF, A2) Diode CR4 is used as what type of device?</Question17>
   	<Choice17A>RF detector</Choice17A>
  	<Choice17B>RF attenuator</Choice17B>
  	<Choice17C>Full-wave rectifier</Choice17C>
  	<Choice17D>Positive peak detector</Choice17D>
  	<Correct17>None</Correct17>
  	<Reference17>Student Workbook Page 12, Section 3</Reference17>
  <Question18>8. (UHF, A2) What is the purpose of the PIN diode CR5 in the AGC Control stage?</Question18>
  <Choice18A>It controls the AGC</Choice18A>>
  	<Choice18B>An RF attenuator</Choice18B>
  	<Choice18C>It controls the gain of the RF Amplifier, Q7.</Choice18C>
  	<Choice18D>It is used to bias Q6 in the AGC Control stage.</Choice18D>
  	<Correct18>None</Correct18>
  	<Reference18>Student Workbook Page 12, Section 3</Reference18>
  <Question19>9. (VHF, A2) Which type of signal is present at A2P1 pin 11?</Question19>
   	<Choice19A>RF</Choice19A>
  	<Choice19B>IF</Choice19B>
  	<Choice19C>DC</Choice19C>
  	<Choice19D>AC</Choice19D>
  	<Correct19>None</Correct19>
  	<Reference19>Student Workbook Page 12, Section 3</Reference19>
  <Question20>10. With the given FO (operating frequency) fill in the blanks.</Question20>
   	<Q20TableAnswer1>None</Q20TableAnswer1>
    <Q20TableAnswer2>None</Q20TableAnswer2>
    <Q20TableAnswer3>None</Q20TableAnswer3>
    <Q20TableAnswer4>None</Q20TableAnswer4>
    <Q20TableAnswer5>None</Q20TableAnswer5>
    <Q20TableAnswer6>None</Q20TableAnswer6>
    <Q20TableAnswer7>None</Q20TableAnswer7>
    <Q20TableAnswer8>None</Q20TableAnswer8>
    <Q20TableAnswer9>None</Q20TableAnswer9>
    <Q20TableAnswer10>None</Q20TableAnswer10>
    <Q20TableAnswer11>None</Q20TableAnswer11>
    <Q20TableAnswer12>None</Q20TableAnswer12>
    <Q20TableAnswer13>None</Q20TableAnswer13>
    <Q20TableAnswer14>None</Q20TableAnswer14>
    <Q20TableAnswer15>None</Q20TableAnswer15>
    <Q20TableAnswer16>None</Q20TableAnswer16>
    <Q20TableAnswer17>None</Q20TableAnswer17>
    <Q20TableAnswer18>None</Q20TableAnswer18>
    <Q20TableAnswer19>None</Q20TableAnswer19>
    <Q20TableAnswer20>None</Q20TableAnswer20>
  	<Correct20>None</Correct20>
  	<Reference20>Student Workbook Page 12, Section 3</Reference20>
</blocktwosectionthree>